import React, { Component } from 'react'
import { Route, Routes, NavLink,Navigate } from 'react-router-dom'
import About from './pages/About'
import Home from './pages/Home'

export default class App extends Component {
    render() {
        return (
            <div>
                <div className="row">
                    <div className="col-xs-offset-2 col-xs-8">
                        <div className="page-header"><h2>React Router Demo</h2></div>
                    </div>
                </div>
                <div className="row">
                    <div className="col-xs-2 col-xs-offset-2">
                        <div className="list-group">
                            {/*  链接  相当于 html A */}
                            <NavLink className='list-group-item' to="/about">About</NavLink>
                            <NavLink className='list-group-item' to="/home">Home</NavLink>
                        </div>
                    </div>
                    <div className="col-xs-6">
                        <div className="panel">
                            <div className="panel-body">
                                {/*  注册路由  */}
                                <Routes>
                                    <Route path="/home" element={<Home />}></Route>
                                    <Route path="/about" element={<About />}></Route>
                                    {/* 重定向路由  */}
                                    <Route path='/' element={<Navigate to="about" />} />
                                </Routes>

                            </div>
                        </div>
                    </div>
                </div>

            </div>
        )
    }
}
